package D3;

public class BankPay implements Pay {
    double m = 100;
    @Override
    public void pay(double money){
        if (m<money){

        System.out.println("你的余额不足");
    }
        else {
            System.out.println("你消费了"+money);
            m = m - money;
            System.out.println("你的余额为"+m);
        }

    }

}
